Home / 1,078,254.20-1,617,104.52-319,916.27

Finding the Fourth Proportional to 1,078,254.20, 1,617,104.52 and 319,916.27

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Solution

The fourth proportional to 1,078,254.20, 1,617,104.52 and 319,916.27 is: 479,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,254.20 : 1,617,104.52 = 319,916.27 : x
  2. Step 2: Convert to fraction form
    1,078,254.20/1,617,104.52 = 319,916.27/x
  3. Step 3: Cross multiply
    1,078,254.20x = 1,617,104.52 × 319,916.27
  4. Step 4: Simplify right side
    1,078,254.20x = 517,338,050,281.30
  5. Step 5: Solve for x
    x = 517,338,050,281.30/1,078,254.20
  6. Step 6: Final answer
    x = 479,792.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.